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4D68 ENGINE (E- W) -
Front Case, Counterba la nc e Shaft s and Oil Pan
11A-10-8
COUNTERBALANCE SHAFT
(1) Check the oil holes for clogging.
(2) Check the journals for seizure, damage, and contact with
bearing. If there is anything wrong with the journal, replace
the counterbalance shaft, bearing or front case assembly.
OIL COOLER BYPASS VALVE
(1) Make sure that the valve moves smoothly.
(2) Ensure that the dimension L measures the standard value
under normal temperature and humidity.
Dimension L: 34.5 mm
(3) The dimensionmust bethe standard valuewhen measured
after the valve has been dipped in 100°C oil.
Dimension L: 40 mm or more
OIL PUMP
(1) Assemble the oil pump gear to the front case and rotate
it to ensure smooth rotation with no looseness.
(2) Ensure that there is no ridge wear on the contact surface
between the front case and the gear surface of the oil
pump cover.
(3) Check the side clearance.
Standard value:
Drive gear 0.08 - 0.14 mm
Driven gear 0.06 - 0.12 mm
OIL SEAL
(1) Check the oil seal lip for wear and damage. Replace the
oil seal if necessary.
(2) Check the oil seal lip for deterioration. Replace oil seal
if necessary.
PWEE9609
E
Dec. 1996Mitsubishi Motors Corporation
DEN0711
6EN0589
Valve
6LU0013